Huasteca kardia, Cruz-López & Francke, 2019

Cruz-López, Jesús A. & Francke, Oscar F., 2019, New species of the cave-dwelling genus Huasteca (Opiliones: Stygnopsidae: Karosinae) ı from Northern Oaxacaı Mexicoı with a SEM survey of the sexually dimorphic areas on legs and structures related to chelicerae in the genus, Journal of Natural History 53 (23), pp. 1451-1464 : 1453

Identification key for the four known species of Huasteca . based on both sexes

1. Dorsum covered by many small tubercles ( Figure 1 (bıc))... .......................................... 2

1 ʹ. Dorsum rugoseı without small tubercles ( Figure 1 (aıd)).. .............................................. 3

2. Size of the third trochanter similar to the rest ( Cruz-López and Francke 2015: figure 48a).. ..................................................................................................................................... H. rugosa

2 ʹ. Third trochanter noticeably larger than the rest ( Cruz-López and Francke 2015: figure 51a)... ..................................................................................................................... H. silhavyi

3. Lateral channels limited to lateral edges of the scutum ( Figure 1 (a)ı 6(a))... .. H. gratiosa

3 ʹ. Lateral channels running over central mesotergum and forming two lateral heartshaped ditches ( Figure 1 (d)ı 6(dıe)).. ........................................ Huasteca kardia sp. nov.

Figures

Figure 1. Habitus of Huasteca species. (a) male of Huasteca gratiosa. (b) male of Huasteca rugosa. (c) female of Huasteca silhavyi. (d) female of Huasteca kardia sp. nov. Scale bars = 0.5 cm.